[SOLVED] Which high-end PSU?

Mar 23, 2021
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Dear users,

I'm about to finish purchasing the components for my first build. These are the main features:

GPU: Nvidia 3090 FE
PROCESSOR: AMD Ryzen 5950x
MoBo: MSI Ryzen X570 MEG Unify
AIO: NZXT Kraken Z73
RAM: Corsair LPX 128GB (4x32) 3200 CL16
M.2 SSD: Sabrent Rocket 4 Plus 1 TB
HDD: Seagate IronWolf Pro 6 TB
CASE: Cooler Master H500M

The use will be exclusively for work. In particular 3D simulations and 3D rendering. Therefore the PC load will be very often high.

That said, I need to figure out which power supply is right for me. After reading several posts on this forum and using an online calculator, comparing it with the indicative value of pcpartpicker, I calucated 700W at full load. Considering an allowance, I'm going to choose a 1000W power supply.

My first choice therefore falls on the Seasonic PRIME PX 1000W 80+ Platinum. However, at the moment it seems unobtainable and the first availability in some stores is reported at the end of May. Theoretically it is the only component that I am missing at the moment. So I'm stuck.

I therefore have two questions in this regard.

- Is my choice okay? Both brand and vattage? A couple of friend said that 1000W are too much and 850W is fair enough. What matters most to me is that the power supply is of excellent quality. Given the nature of the computer and the use I make of it, I need it to be of good quality. (I'm also not interested in any OCs or updates in the near future). So I was also considering an Asus Thor 850W Platinum, but I'm not totally sure if it's enough for my build (what you think about it?)

- Given the shortage of seasonal PSUs, do you need to recommend a viable (if not better) alternative (let's say I haven't set budget limits for the PSU)?

Many thanks to all!
 
Mar 23, 2021
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Based on your answers and the actual availability of PSUs I guess Corsair HX1000 Platinum should be ok for me. I've read that in same cases 850W were not enough in GPU Rendering. Since I'm a 3D artist I need to consider this variable.

I know that it's too much. But maybe a large allowance will make me sleep peacefully. Am I correct?
 
Mar 23, 2021
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Just a quick update.

I decided to buy a Corsair HX1000.

Now the million dollars question. Since my case (Cooler Master H500M) has a coverage around the PSU compartment, do you thinks it's better to mount that PSU faced down? (Please note I'm using a stand in order to have a good thickness between floor and PC).

Thanks a lot!
 

Zerk2012

Titan
Ambassador
Just a quick update.

I decided to buy a Corsair HX1000.

Now the million dollars question. Since my case (Cooler Master H500M) has a coverage around the PSU compartment, do you thinks it's better to mount that PSU faced down? (Please note I'm using a stand in order to have a good thickness between floor and PC).

Thanks a lot!
Fan facing down yes.
 

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